What load factor do we apply when using two sling legs with an included angle of 120 degrees?

When using two sling legs with an included angle of 120 degrees, it's essential to understand how to calculate the load factor accurately. The correct approach involves recognizing that the load factor increases based on the angle formed by the sling legs.

For an included angle of 120 degrees, the relevant formula to compute the load factor (or multiplier for the load applied to the slings) involves the cosine of half the angle. Specifically, for two sling legs separated by an included angle of 120 degrees, the calculation follows this pattern:

The load factor can be calculated using the formula:

[ \text{Load Factor} = \frac{1}{\cos(\frac{\theta}{2})} ]

Substituting the included angle:

[ \text{Load Factor} = \frac{1}{\cos(60^\circ)} ]

Since the cosine of 60 degrees is 0.5, the calculation results in:

[ \text{Load Factor} = \frac{1}{0.5} = 2.0 ]

This indicates that the correct answer associated with this scenario does not match the provided options, as none of them capture the correct load factor derived from the calculations based on the included angle